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Shigeo Ishibashi
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Zama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Light source
Patent number
11,933,730
Issue date
Mar 19, 2024
Nippon Telegraph and Telephone Corporation
Shigeo Ishibashi
G02 - OPTICS
Information
Patent Grant
Crystal fiber manufacturing method
Patent number
11,447,888
Issue date
Sep 20, 2022
Nippon Telegraph and Telephone Corporation
Shigeo Ishibashi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Wavelength swept light source
Patent number
9,372,339
Issue date
Jun 21, 2016
Nippon Telegraph and Telephone Communications
Seiji Toyoda
G02 - OPTICS
Information
Patent Grant
Process for producing garnet single crystal
Patent number
5,851,284
Issue date
Dec 22, 1998
Nippon Telegraph & Telephone Corporation
Shigeo Ishibashi
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
Process for Manufacturing Single-Crystal Fiber
Publication number
20240410081
Publication date
Dec 12, 2024
Nippon Telegraph and Telephone Corporation
Shigeo Ishibashi
C30 - CRYSTAL GROWTH
Information
Patent Application
Light Source
Publication number
20220317045
Publication date
Oct 6, 2022
Nippon Telegraph and Telephone Corporation
Shigeo Ishibashi
G02 - OPTICS
Information
Patent Application
Single Crystal Fiber
Publication number
20210344159
Publication date
Nov 4, 2021
Nippon Telegraph and Telephone Corporation
Shigeo Ishibashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Crystal Fiber Manufacturing Method
Publication number
20210198802
Publication date
Jul 1, 2021
Nippon Telegraph and Telephone Corporation
Shigeo Ishibashi
C30 - CRYSTAL GROWTH
Information
Patent Application
WAVELENGTH SWEPT LIGHT SOURCE
Publication number
20130286454
Publication date
Oct 31, 2013
Nippon Telegraph and Telephone Corporation
Seiji Toyoda
G02 - OPTICS